Lindsay Alyse Machen, M.D.
NPI 1649667452ActiveIndividual· Ophthalmology· Langhorne, PA
Ophthalmology (M.D.) in Langhorne, Pennsylvania, trained at Pennsylvania State University College of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $573,816 for 9,053 claims, against $249,137 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $54.22 in all, mostly food and beverage.
Overview
| NPI | 1649667452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 20, 2015 |
| Last updated in NPPES | Jun 5, 2020 |
| Certified by provider | Jun 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD466646 | PA |
| Ophthalmology, Glaucoma Specialist | 207WX0009X | MD466646 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 696 |
|---|---|
| Services billed | 2,744 across 33 procedure codes |
| Paid by Medicare | $249,137 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,053 · 17,083 30-day fills |
|---|---|
| Patients | 1,232 |
| Total drug cost | $573,816 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Ophthalmology |
Medical groups
- Wills Eye Ophthalmology Clinic, IncCherry Hill, NJ · 147 clinicians
- Tri-Century Eye Care, P.C.Bristol, PA · 14 clinicians
Industry payments (Open Payments)
- 2025$54.22 · 3 payments from 3 companies
- 2024$582.31 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $18.89 | 1 |
| Sight Sciences, Inc. | $17.81 | 1 |
| Oyster Point Pharma, Inc. | $17.52 | 1 |
What the 2025 payments were for
- Food and Beverage$54.22 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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